- 制造厂商：TI
- 产品类别：音频
- 技术类目：音频放大器 - 扬声器放大器
- 功能描述：100-W stereo, 200-W mono, 10.8-V to 13.2-V supply, PWM input open loop Class-D audio amp, low RDSon
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The TAS5342LA is a high-performance, integrated stereo digital amplifier power stage designed to drive a 4-Ω bridge-tied load (BTL) at up to 100 W per channel with low-harmonic distortion, low-integrated noise, and low-idle current.
The TAS5342LA has a complete protection system integrated on-chip, safeguarding the device against a wide range of fault conditions that could damage the system. These protection features are short-circuit protection, over-current protection, under voltage protection, over temperature protection, and a loss of PWM signal (PWM activity detector).
A power-on-reset (POR) circuit is used to eliminate power-supply sequencing that is required for most power-stage designs.
- Total Power Output (Bridge Tied Load)
- 2 × 100 W at 10% THD+N Into 4 Ω
- 2 × 80 W at 10% THD+N Into 6 Ω
- 2 × 65 W at 10% THD+N Into 8 Ω
- Total Power Output (Single Ended)
- 4 × 40 W at 10% THD+N Into 3 Ω
- 4 × 30 W at 10% THD+N Into 4 Ω
- Total Power Output (Parallel Mode)
- 1 × 200 W at 10% THD+N Into 2 Ω
- 1 × 160 W at 10% THD+N Into 3 Ω
- >110 dB SNR (A-Weighted With TAS5518 Modulator)
- <0.1% THD+N (1 W, 1 kHz)
- Supports PWM Frame Rates of 192?kHz to 432?kHz
- Resistor-Programmable Current Limit
- Integrated Self-Protection Circuitry, Including:
- Under Voltage Protection
- Overtemperature Warning and Error
- Overload Protection
- Short-Circuit Protection
- PWM Activity Detector
- Standalone Protection Recovery
- Power-On Reset (POR) to Eliminate System Power-Supply Sequencing
- High-Efficiency Power Stage (>90%) With 110-mΩ Output MOSFETs
- Thermally Enhanced Package 44-Pin HTSSOP (DDV)
- Error Reporting, 3.3-V and 5-V Compliant
- EMI Compliant When Used With Recommended System Design
- Audio input type
- PWM
- Architecture
- Class-D
- Speaker channels (Max)
- 4
- Power stage supply (Max) (V)
- 13.2
- Power stage supply (Min) (V)
- 10.8
- Load (Min) (ohms)
- 2
- Output power (W)
- 100
- SNR (dB)
- 110
- THD + N @ 1 kHz (%)
- 0.09
- Iq (Typ) (mA)
- 5.6
- Control interface
- Hardware
- Closed/open loop
- Open
- Analog supply (Min) (V)
- 10.8
- Analog supply (Max) (V)
- 13.2
- PSRR (dB)
- 65
- Operating temperature range (C)
- 0 to 70
TAS5342LA的完整型号有：TAS5342LADDV、TAS5342LADDVR，以下是这些产品的关键参数及官网采购报价：
TAS5342LADDV，工作温度：0 to 70，封装：HTSSOP (DDV)-44，包装数量MPQ：35个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAU，TI官网TAS5342LADDV的批量USD价格：2.744（1000+）
TAS5342LADDVR，工作温度：0 to 70，封装：HTSSOP (DDV)-44，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAU，TI官网TAS5342LADDVR的批量USD价格：2.287（1000+）
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